Preparation, Microstructure Evaluation and Performance Analysis of Diamond-Iron Bonded Magnetic Abrasives

Palwinder Singh*, Lakhvir Singh**, Sehijpal Singh***
* I.K. Gujral Punjab Technical University, Jalandhar, Punjab, India.
** Department of Mechanical Engineering, Baba Banda Singh Bahadur Engineering College, Fatehgarh Sahib, Punjab, India.
*** Guru Nanak Dev Engineering College, Ludhiana, Punjab, India.
Periodicity:August - October'2019
DOI : https://doi.org/10.26634/jme.9.4.16403

Abstract

The customary edged tool for machining is uneconomical for harder and hard to machine materials and furthermore the level of surface finish accomplished is not that great. As of late, a lot of consideration in mechanical engineering has been centered on finishing tasks. Not many investigations have been accounted for till date on the advancement of substitute magnetic abrasives. In this paper, to improve the finishing performance, the magnetic abrasives were prepared by mechanical alloying of diamond powder and iron (Fe) powder, compacting these with Universal Testing Machine (UTM) and then sintered at different temperature in a sintering machine in an inert gas (H2) atmosphere. These compacts were crushed and sieved to obtain various sizes of magnetic abrasives. These magnetic abrasives were micro-structurally examined. The results indicate that the densification increases and porosity decreases with increasing temperature. Moreover, the prepared bonded magnetic abrasives has potential performance as a new magnetic abrasives for fine finishing in Magnetic Abrasive Flow Machining (MAFM) process.

Keywords

Mechanical Alloying, Sintered, Magnetic Abrasives, Diamond, Universal Testing Machine (UTM), Bonded, Magnetic Abrasive Flow Machining (MAFM).

How to Cite this Article?

Singh, P., Singh, L., and Singh, S. (2019). Preparation, Microstructure Evaluation and Performance Analysis of Diamond-Iron Bonded Magnetic Abrasives . i-manager’s Journal on Mechanical Engineering, 9(4), 1-7. https://doi.org/10.26634/jme.9.4.16403

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